lttv/modules/gui/lttvwindow/lttvwindow/support.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 XangXiu Yang
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  16  * MA 02110-1301, USA.
  17  */
  18
  19 /*
  20  * DO NOT EDIT THIS FILE - it is generated by Glade.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #  include <config.h>
  25 #endif
  26
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <unistd.h>
  30 #include <string.h>
  31 #include <stdio.h>
  32
  33 #include <gtk/gtk.h>
  34
  35 #include <lttv/compiler.h>
  36
  37 #include "support.h"
  38
  39 __EXPORT GtkWidget*
  40 lookup_widget                          (GtkWidget       *widget,
  41                                         const gchar     *widget_name)
  42 {
  43   GtkWidget *parent, *found_widget;
  44
  45   for (;;)
  46     {
  47       if (GTK_IS_MENU (widget))
  48         parent = gtk_menu_get_attach_widget (GTK_MENU (widget));
  49       else
  50         parent = widget->parent;
  51       if (!parent)
  52         parent = (GtkWidget*) g_object_get_data (G_OBJECT (widget), "GladeParentKey");
  53       if (parent == NULL)
  54         break;
  55       widget = parent;
  56     }
  57
  58   found_widget = (GtkWidget*) g_object_get_data (G_OBJECT (widget),
  59                                                  widget_name);
  60   if (!found_widget)
  61     g_warning ("Widget not found: %s", widget_name);
  62   return found_widget;
  63 }
  64
  65 static GList *pixmaps_directories = NULL;
  66
  67 /* Use this function to set the directory containing installed pixmaps. */
  68 void
  69 add_pixmap_directory                   (const gchar     *directory)
  70 {
  71   pixmaps_directories = g_list_prepend (pixmaps_directories,
  72                                         g_strdup (directory));
  73 }
  74
  75 /* This is an internally used function to find pixmap files. */
  76 static gchar*
  77 find_pixmap_file                       (const gchar     *filename)
  78 {
  79   GList *elem;
  80
  81   /* We step through each of the pixmaps directory to find it. */
  82   elem = pixmaps_directories;
  83   while (elem)
  84     {
  85       gchar *pathname = g_strdup_printf ("%s%s%s", (gchar*)elem->data,
  86                                          G_DIR_SEPARATOR_S, filename);
  87       if (g_file_test (pathname, G_FILE_TEST_EXISTS))
  88         return pathname;
  89       g_free (pathname);
  90       elem = elem->next;
  91     }
  92   return NULL;
  93 }
  94
  95 /* This is an internally used function to create pixmaps. */
  96 __EXPORT GtkWidget*
  97 create_pixmap                          (GtkWidget       *widget,
  98                                         const gchar     *filename)
  99 {
 100   gchar *pathname = NULL;
 101   GtkWidget *pixmap;
 102
 103   if (!filename || !filename[0])
 104       return gtk_image_new ();
 105
 106   pathname = find_pixmap_file (filename);
 107
 108   if (!pathname)
 109     {
 110       g_warning ("Couldn't find pixmap file: %s", filename);
 111       return gtk_image_new ();
 112     }
 113
 114   pixmap = gtk_image_new_from_file (pathname);
 115   g_free (pathname);
 116   return pixmap;
 117 }
 118
 119 /* This is an internally used function to create pixmaps. */
 120 GdkPixbuf*
 121 create_pixbuf                          (const gchar     *filename)
 122 {
 123   gchar *pathname = NULL;
 124   GdkPixbuf *pixbuf;
 125   GError *error = NULL;
 126
 127   if (!filename || !filename[0])
 128       return NULL;
 129
 130   pathname = find_pixmap_file (filename);
 131
 132   if (!pathname)
 133     {
 134       g_warning ("Couldn't find pixmap file: %s", filename);
 135       return NULL;
 136     }
 137
 138   pixbuf = gdk_pixbuf_new_from_file (pathname, &error);
 139   if (!pixbuf)
 140     {
 141       fprintf (stderr, "Failed to load pixbuf file: %s: %s\n",
 142                pathname, error->message);
 143       g_error_free (error);
 144     }
 145   g_free (pathname);
 146   return pixbuf;
 147 }
 148
 149 /* This is used to set ATK action descriptions. */
 150 void
 151 glade_set_atk_action_description       (AtkAction       *action,
 152                                         const gchar     *action_name,
 153                                         const gchar     *description)
 154 {
 155   gint n_actions, i;
 156
 157   n_actions = atk_action_get_n_actions (action);
 158   for (i = 0; i < n_actions; i++)
 159     {
 160       if (!strcmp (atk_action_get_name (action, i), action_name))
 161         atk_action_set_description (action, i, description);
 162     }
 163 }
 164